所以，我在Xcode上遇到了两个问题。我是iPhone应用程序开发的新手，所以任何帮助都会很有用。我正在创建一个带有mapView的应用程序，所以首先我做了所有应该做的事情。声明，视图加载，委托等等。之后我将属性连接到Map视图，结果出现了28个错误。在模拟器上，它工作正常，包括Map，但是在手机上它总是坏掉。在那之后我删除了所有Map视图的代码，它保持不变。
一些想法这可能是什么？如何使一个Map视图的iPhone？
"_OBJC_CLASS_$_NSBundle", referenced from:
objc-class-ref in AppDelegate.o
"_OBJC_CLASS_$_NSFileManager", referenced from:
objc-class-ref in AppDelegate.o
"_objc_msgSendSuper2", referenced from:
-[AppDelegate dealloc] in AppDelegate.o
-[MainViewController didReceiveMemoryWarning] in MainViewController.o
-[MainViewController viewDidLoad] in MainViewController.o
-[MainViewController viewDidUnload] in MainViewController.o
-[MainViewController viewWillAppear:] in MainViewController.o
-[MainViewController viewDidAppear:] in MainViewController.o
-[MainViewController viewWillDisappear:] in MainViewController.o
...
"_objc_setProperty", referenced from:
-[AppDelegate setWindow:] in AppDelegate.o
-[MainViewController setManagedObjectContext:] in MainViewController.o
-[MainViewController setOdaberiTaxi:] in MainViewController.o
-[MainViewController setIzbornik:] in MainViewController.o
-[MainViewController setTaxiPicker:] in MainViewController.o
-[MainViewController setListaTaxiZG:] in MainViewController.o
-[MainViewController setToolbar:] in MainViewController.o
...
"__objc_empty_vtable", referenced from:
_OBJC_CLASS_$_AppDelegate in AppDelegate.o
_OBJC_METACLASS_$_AppDelegate in AppDelegate.o
_OBJC_CLASS_$_MainViewController in MainViewController.o
_OBJC_METACLASS_$_MainViewController in MainViewController.o
_OBJC_CLASS_$_FlipsideViewController in FlipsideViewController.o
_OBJC_METACLASS_$_FlipsideViewController in FlipsideViewController.o
"_OBJC_CLASS_$_UIResponder", referenced from:
_OBJC_CLASS_$_AppDelegate in AppDelegate.o
"_objc_msgSend", referenced from:
_main in main.o
-[AppDelegate dealloc] in AppDelegate.o
-[AppDelegate application:didFinishLaunchingWithOptions:] in AppDelegate.o
-[AppDelegate applicationWillTerminate:] in AppDelegate.o
-[AppDelegate saveContext] in AppDelegate.o
-[AppDelegate managedObjectContext] in AppDelegate.o
-[AppDelegate managedObjectModel] in AppDelegate.o
...
"_OBJC_CLASS_$_UIActionSheet", referenced from:
objc-class-ref in MainViewController.o
"_OBJC_CLASS_$_UIViewController", referenced from:
_OBJC_CLASS_$_MainViewController in MainViewController.o
_OBJC_CLASS_$_FlipsideViewController in FlipsideViewController.o
"_objc_autoreleasePoolPop", referenced from:
_main in main.o
"__objc_empty_cache", referenced from:
_OBJC_CLASS_$_AppDelegate in AppDelegate.o
_OBJC_METACLASS_$_AppDelegate in AppDelegate.o
_OBJC_CLASS_$_MainViewController in MainViewController.o
_OBJC_METACLASS_$_MainViewController in MainViewController.o
_OBJC_CLASS_$_FlipsideViewController in FlipsideViewController.o
_OBJC_METACLASS_$_FlipsideViewController in FlipsideViewController.o
"_UIApplicationMain", referenced from:
_main in main.o
"_OBJC_METACLASS_$_UIResponder", referenced from:
_OBJC_METACLASS_$_AppDelegate in AppDelegate.o
"_OBJC_CLASS_$_UIView", referenced from:
objc-class-ref in MainViewController.o
"_OBJC_CLASS_$_UIApplication", referenced from:
objc-class-ref in MainViewController.o
"_OBJC_CLASS_$_NSArray", referenced from:
objc-class-ref in MainViewController.o
"_OBJC_CLASS_$_NSManagedObjectContext", referenced from:
objc-class-ref in AppDelegate.o
"___CFConstantStringClassReference", referenced from:
CFString in AppDelegate.o
CFString in AppDelegate.o
CFString in AppDelegate.o
CFString in AppDelegate.o
CFString in MainViewController.o
CFString in MainViewController.o
CFString in MainViewController.o
...
"_OBJC_CLASS_$_UIAlertView", referenced from:
objc-class-ref in MainViewController.o
"_OBJC_METACLASS_$_UIViewController", referenced from:
_OBJC_METACLASS_$_MainViewController in MainViewController.o
_OBJC_METACLASS_$_FlipsideViewController in FlipsideViewController.o
"_NSSQLiteStoreType", referenced from:
-[AppDelegate persistentStoreCoordinator] in AppDelegate.o
"_objc_autoreleasePoolPush", referenced from:
_main in main.o
"_NSStringFromClass", referenced from:
_main in main.o
"_NSLog", referenced from:
-[AppDelegate saveContext] in AppDelegate.o
-[AppDelegate persistentStoreCoordinator] in AppDelegate.o
"_OBJC_CLASS_$_NSManagedObjectModel", referenced from:
objc-class-ref in AppDelegate.o
"_OBJC_CLASS_$_NSURL", referenced from:
objc-class-ref in MainViewController.o
"_OBJC_METACLASS_$_NSObject", referenced from:
_OBJC_METACLASS_$_AppDelegate in AppDelegate.o
_OBJC_METACLASS_$_MainViewController in MainViewController.o
_OBJC_METACLASS_$_FlipsideViewController in FlipsideViewController.o
"_OBJC_CLASS_$_NSPersistentStoreCoordinator", referenced from:
objc-class-ref in AppDelegate.o
ld: symbol(s) not found for architecture armv7
clang: error: linker command failed with exit code 1 (use -v to see invocation)
3条答案
按热度按时间4nkexdtk1#
我遇到了一个类似的错误，这解决了我的问题：单击“目标”〉构建阶段〉将二进制文件与库链接〉单击“+”〉CoreData.framework。〉添加。
mspsb9vt2#
如果在2022年，您遇到了大量的Xcode链接器错误类型
其中
X是所链接库的内部方法，那么你可能已经发现了Xcode 14的一个新特性，Objective-Cmsgsend选择器存根。这种优化将阻止通过Xcode 13和更早版本正确链接库。如果需要将使用Xcode 14构建的静态库与早期版本的Xcode链接，则可以在编译期间通过将
-fno-objc-msgsend-selector-stubs添加到编译器标志来禁用选择器存根生成。uyhoqukh3#
您遗漏了像
__objc_msgSend这样的符号，它们是Objective-C运行时的基础部分。这些符号在libobjc.dylib中找到，Xcode应该自动链接到任何Objective-C项目。此外，您缺少Foundation框架中的符号（例如_OBJC_CLASS_$_NSBundle）和UIKit（例如_OBJC_CLASS_$_UIView）。当您在Xcode中创建新的Objective-C项目时，这些框架会自动包含在内。出现这些错误表明您的项目严重混乱。虽然Maven可能会解决您的问题，但您身边可能没有Maven。
因此，对您来说最简单的解决方案是在Xcode中创建一个新项目，然后将源文件复制到新项目中。在新项目中，请注意不要更改或删除构建设置，除非您了解它们的用途。很容易在没有意识到的情况下意外更改构建设置，并开始收到难以理解的错误消息。
如果这不能解决您的问题，则可能是Xcode安装已损坏，您可能必须重新安装Xcode。